Үүнийг мессежээр илгээх: Magnetic-Field-Assisted Electric-Field-Induced Domain Switching of a Magnetic Single Domain in a Multiferroic/Magnetoelectric Ni Nanochevron/[Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>]<sub>0.68</sub>–[PbTiO<sub>3</sub>]<sub>0.32</sub> (PMN–PT) Layered Structure